diff --git a/modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.h b/modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.h
index ca8a607d0e..2cb0bf9c5a 100644
--- a/modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.h
+++ b/modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.h
@@ -558,8 +558,6 @@ private:
     void audioDeviceListChanged();
     void midiDeviceListChanged();
 
-    String restartDevice (int blockSizeToUse, double sampleRateToUse,
-                          const BigInteger& ins, const BigInteger& outs);
     void stopDevice();
 
     void updateXml();